26.08
wed
wed
Day
79°F
SE 14 mph
Precip.
7%
7%
Night
81°F
SE 17 mph
Precip.
6%
6%
27.08
thu
thu
Day
82°F
S 22 mph
Precip.
3%
3%
Night
81°F
S 25 mph
Precip.
5%
5%
28.08
fri
fri
Day
79°F
S 32 mph
Precip.
3%
3%
Night
81°F
S 31 mph
Precip.
1%
1%
29.08
sat
sat
Day
75°F
S 28 mph
Precip.
3%
3%
Night
79°F
S 24 mph
Precip.
5%
5%
30.08
sun
sun
Day
75°F
S 22 mph
Precip.
5%
5%
Night
79°F
SE 22 mph
Precip.
7%
7%
31.08
mon
mon
Day
79°F
SE 14 mph
Precip.
4%
4%
Night
81°F
SE 19 mph
Precip.
5%
5%
01.09
tue
tue
Day
77°F
S 17 mph
Precip.
5%
5%
Night
81°F
S 21 mph
Precip.
4%
4%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 76.8°F. The highest and lowest sea temperatures during the month were 79.0°F and 73.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 76.2°F. The highest and lowest sea temperatures during the month were 77.5°F and 74.7°F.
Air temperature in Kos, °F
Precipitation total in Kos, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Kos
Kos on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Kos
Local time: 00:18
August 26, wednesday
0300
79°F
SE
18 mph
18 mph
0600
79°F
SE
14 mph
14 mph
0900
77°F
SE
15 mph
15 mph
1200
79°F
SE
14 mph
14 mph
1500
79°F
SE
17 mph
17 mph
1800
81°F
SE
16 mph
16 mph
2100
81°F
SE
14 mph
14 mph
August 27, thursday
0000
81°F
SE
17 mph
17 mph
